Mass per volume density.
Kilograms per Teaspoon to Grains per Cup Converter — kg/tsp to gr/cup
Convert Kilogram per Teaspoon (kg/tsp) to Grain per Cup (gr/cup) using the exact conversion factor (1 kilogram per teaspoon = 740,753.2009 grain per cup). See the formula, worked examples, and conversion table.
Kilograms per Teaspoon to Grains per Cup converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 202884.1362 / 0.2738889767.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Teaspoon to Grains per Cup
Kilogram per Teaspoon and Grain per Cup both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
grains per cup = kilograms per teaspoon × 740753.200941
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per teaspoon equals 202884.136211 base units, and 1 grain per cup equals 0.273888976724 base units, so dividing one by the other gives the direct kilogram per teaspoon-to-grain per cup factor of 740753.200941.
Simple example
1 kg/tsp × 740753.2009 = 740,753.2009 gr/cup
1 kilogram per teaspoon = 740,753.2009 grains per cup.
Real-world example
1,000 kg/tsp × 740753.2009 = 740,753,200.9 gr/cup
1,000 kilograms per teaspoon = 740,753,200.9 grains per cup.
Conversion table
| Kilogram per Teaspoon (kg/tsp) | Grain per Cup (gr/cup) |
|---|---|
| 0.1 kg/tsp | 74,075.32009 gr/cup |
| 1 kg/tsp | 740,753.2009 gr/cup |
| 10 kg/tsp | 7,407,532.009 gr/cup |
| 100 kg/tsp | 74,075,320.09 gr/cup |
| 1,000 kg/tsp | 740,753,200.9 gr/cup |
| 10,000 kg/tsp | 7,407,532,009 gr/cup |
Reverse conversion: Grain per Cup to Kilogram per Teaspoon
1 gr/cup × 0.000001349977292 = 0.00000135 kg/tsp
1 grain per cup = 0.00000135 kilograms per teaspoon.
kilograms per teaspoon = grains per cup × 0.00000134997729167
For a page dedicated to this direction, see Grain per Cup to Kilogram per Teaspoon.
Understanding the Kilogram per Teaspoon (kg/tsp)
Mass per volume density.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cup are in 1 kilogram per teaspoon?
1 kilogram per teaspoon equals 740,753.2009 grains per cup, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per teaspoon to grain per cup?
Multiply the kilogram per teaspoon value by 740753.2009. The converter above does this instantly to whatever precision you set.
How do I convert grain per cup back to kilogram per teaspoon?
Use the reverse factor: 1 grain per cup equals 0.00000135 kilograms per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per teaspoon?
Kilogram per Teaspoon (kg/tsp) is a unit of density.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
Is the kilogram per teaspoon to grain per cup conversion exact?
Yes. Both kilogram per teaspoon and grain per cup are defined by fixed standards rather than physical artifacts, so the factor of 740753.2009 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.